Responsibilities

- Lead the design, development, and delivery of enterprise‑grade iOS and Android applications using native (Swift, Objective‑C, Java) and hybrid (React Native, TypeScript) technologies.
- Architect secure, scalable mobile applications and oversee UI/UX implementation across multiple form factors, localizations, and OS‑specific patterns.
- Guide teams in building high‑performance, multithreaded apps leveraging device capabilities such as camera, Bluetooth, sensors, storage, and secure OS modules (Secure Enclave / TEE / Strongbox).
- Implement and maintain code quality standards, and robust testing practices to ensure high‑quality product delivery.
- Experience with Apple and Google wallets, or custom digital wallets, such as add passes/credentials to a wallet and mobile verifier app for credentials.
- Support publication and lifecycle management of apps in the Apple App Store or Google Play Store .
- Lead development and maintenance of the secure mobile applications by applying OS‑level security guidelines, secure coding practices, and ongoing patching and vulnerability fixes.
- Ensure comprehensive documentation of code, processes, system designs, and mobile architecture to support long‑term maintainability.
- Lead development of digital credential wallets and mobile identity solutions using W3C VC data models, DIDs, mDOC, and related decentralized identity technologies.
- Provide technical leadership on credential exchange, cryptographic protocols (OIDC, OAuth2, JWT/JWS, CBOR/COSE, ECDSA P-256, Ed25519, TLS, PKI), and standards compliance (PCTF, ODIF, IETF, NIST, eIDAS).
- Oversee integrations with backend services using REST, SOAP, event‑driven systems, and cloud‑native architectures (Docker, Kubernetes).
- Lead Agile development teams, facilitating sprint planning, backlog refinement, code reviews, and technical design sessions.
- Mentor developers and cultivate a strong engineering culture emphasizing user‑centered design, accessibility, performance, and secure engineering.
- Collaborate with product managers, UX designers, cybersecurity teams, and platform architects to align mobile engineering work with enterprise roadmaps and strategic goals.





This position is listed as "Onsite"; the resource is expected to work between the standard working hours of 8:00-5:00 PM (excluding lunch breaks) every Monday to Friday inclusive at the identified OPS office location.

Experience and Skill Set Requirements

- Lead the design, development, and delivery of enterprise‑grade iOS and Android applications using native technologies (Objective‑C / Swift, Xcode or Java with Android Studio).
- Architect and implement both native and hybrid mobile applications , leveraging Swift, Java, React Native , and TypeScript, ensuring performance, security, and maintainability. Primarily the development is based on React Native and TypeScript .
- Oversee UI development to support different screen resolutions, localization , and OS‑specific UX patterns.
- Guide teams in building mobile applications , ensuring efficient use of device resources such as memory, storage, cameras, Bluetooth, sensors, and secure OS capabilities .
- Ensure delivery of high‑quality apps through continuous integration pipelines , automated builds, testing, and deployment workflows.
- Experience with Apple and Google wallets, or custom digital wallets, such as add credentials to a wallet and mobile verifier app for credentials.

· Knowledge of using Secure Enclave, TEE and/or Strongbox.

- Support publication and lifecycle management of apps in the Apple App Store or Google Play Store .
- Implement security fixes and patch updates to maintain the integrity and security posture of mobile applications.
- Document code, processes, and procedures to support knowledge sharing and long‑term maintainability of mobile solutions.
- Ensure compliance with secure coding practices, mobile OS security guidelines, and enterprise cyber standards.

Team Leadership, Delivery & Agile Practices – 20%

- Lead multidisciplinary development teams using Agile methodologies including sprint planning, backlog refinement, estimation, and technical ceremonies.
- Review and develop technical documentation, architecture artefacts,



developer guides, and integration specifications.
- Support team adoption of Agile engineering practices including automated testing, test case development, CI/CD integration, and code quality processes.
- Mentor and coach developers, fostering a robust engineering culture focused on user‑centered design, accessibility, and secure coding.
- Effectively manage competing priorities, timelines, and deliverables in a fast‑paced environment.
- Collaborate with product, UX, cybersecurity, and platform teams to ensure alignment with enterprise strategy and technical roadmaps.

Back‑End Integration & API Architecture – 15%

- Oversee integration of mobile applications with RESTful APIs and secure back‑end platforms developed in Java, Node.js, Python and similar stacks.
- Provide guidance in developing solutions using distributed, event‑driven architectures , secure messaging systems, and cloud‑native containerized environments (Docker, Kubernetes).
- Ensure robust back‑end interaction patterns including authentication, authorization, encryption, and secure data exchange.

Digital Trust & Verifiable Credentials (VC) – 5%

- In-depth development experience with W3C verifiable credential data model, ISO/IEC 18013-X, ISO/IEC 23220-X (mDOC), decentralized identifiers (DIDs) , X.509 certificates , zero‑knowledge proof and OpenID4VC .
- Oversee development of React Native–based digital credentials wallets that use secure storage, OS cryptography APIs, and platform‑specific security modules.
- Ensure compliance with global digital identity standards and/or specifications such as W3C Verifiable Credentials , IETF, OIDF, PCTF , NIST , and eIDAS(ARF) .
- Provide development guidance on wallet and security protocols such as OIDC , OIDF OpenID4VC/OpenID4VP, W3C DC-API, OAuth 2, JWT/JWS(JOSE) , TLS , PKI , CBOR/COSE , ECDSA P-256,Ed25519, SHA/SHA2 , and RSA .
- Lead teams in developing responsive mobile interfaces , progressive web applications , and secure integration with back‑end identity services.

Must Have:

*Must have Lead hands-on experience and extensive experience with React Native. *

Please focus on the bolded text in the experience and skill set section.

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📌 Applications Architect (Toronto)
🏢 CCI- Computer Consultants International
📍 Toronto